Know all about Arkose and Troctolite properties here. All properties of rocks are important as they define the type of rock and its application. Arkose belongs to Sedimentary Rocks while Troctolite belongs to Igneous Rocks.Texture of Arkose is Clastic whereas that of Troctolite is Phaneritic. Arkose appears Rough and Dull and Troctolite appears Veined and Shiny. The luster of Arkose is dull while that of Troctolite is not available. Arkose is available in reddish brown colors whereas Troctolite is available in dark grey to black colors. The commercial uses of Arkose are in aquifers, soil conditioner, source of magnesia (mgo), tombstones and that of Troctolite are cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones.